例句：
The book is the fruit of years of research.
這本書是多年研究的成果。
Everybody is aware of the hazards of smoking.
大家都明白吸煙的危害。
Around 15% of our diet is composed of protein.
我們的飲食中大約有15%的蛋白質(zhì)。
One of the penalties of fame is loss of privacy.
成名的弊端之一是失掉了隱私。
Sunlight consists of different wavelengths of radiation.
陽(yáng)光由波長(zhǎng)不同的射線組成。